Archived from the original pdf on Overdosing on thiamine, or vitamin B-1, is rare but can cause severe symptoms. No deaths were reported. Overdosing on niacin, also called vitamin B-3, can lead to rare side effects.

Significance of elevated cobalamin (vitamin B12) levels in blood.

Protein-energy malnutrition Kwashiorkor Marasmus Catabolysis. This may manifest as movement disorders, paralysis, pain or numbness. Riboflavin deficiency B 3: These symptoms can lead to cardiac problems.

Some patients will develop a low blood pressure and convulsions. Hiprvitaminosis of fat-soluble vitamins can also be caused by a large intake of highly fortified foods, but natural food rarely deliver dangerous levels of fat-soluble vitamins.

Toxic levels of pyridoxine have been known to cause a variety of muscular or nerve problems. Effects of external causes Hypervitaminosis.

The pathophysiology of elevated vitamin B12 in clinical practice.

Views Read Edit View history. Pantothenic Acid and Biotin Medline Plus: The most apparent symptom of a niacin overdose is a blurring of vision, the American Cancer Society says.

Articles needing additional references from February All articles needing additional references Infobox medical condition All articles with unsourced statements Articles with unsourced statements from July Generally, toxic levels of vitamins stem from high supplement intake and not from natural food. A codified approach is needed to determine the potential indications of a search for high serum cobalamin and the practical clinical strategy to adopt upon discovery of elevated cobalamin levels.

Mild symptoms of an overdose include weakness and a hipervitamijosis, the American Pregnancy Association reports. Clinically, it can be paradoxically accompanied by signs of deficiency, reflecting a functional deficiency linked to qualitative abnormalities, which are related to defects in tissue uptake and action of vitamin B There are few potential side effects from high doses of riboflavin.

B Vitamin Overdose Symptoms

Pyridoxine deficiency B 7: Riboflavin can also cause a harmless yellow-orange discoloration of your urine. Malnutrition or nutrition disorders E40—E68— Excess intake of cobalamin, or vitamin B, may cause some symptoms in patients. Please help improve this article by adding citations to reliable sources. Vitamin B Complex Drugs. These vitamins build up and remain for a longer time in the body than water-soluble vitamins.